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多选题
Which three characteristics are true about voice traffic in the campus network? ()
A

TCP retransmits

B

benign

C

greedy

D

drop sensitive

E

smooth

F

delay insensitive


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考题 多选题Which three statements are true about the data traffic characteristics of voice traffic? ()Alatency must be kept below 150 msBlatency is not a concern as long as jitter is kept below 30 msCvoice packets do not require a specific type of queuingDvoice packets are rather smallEvoice packets require TCP for rapid retransmission of dropped packetsFvoice packets require a fairly constant bandwidth reserved for voice control traffic as well as forthe voice payload

考题 多选题Which two statements about the QoS policy generation phase of the Cisco SDM QoS wizard are true? ()AThe SDM QoS wizard will create two real-time traffic classes to handle VoIP and voice signaling packets.BThe SDM QoS wizard will create three real-time traffic classes to handle VoIP, voice signaling, and video packets.CThe SDM QoS wizard will create four real-time traffic classes to handle VoIP, voice signaling, video, and video streaming packets.DThe SDM QoS wizard will create two business-critical traffic classes to handle transactional and network management packets.EThe SDM QoS wizard will create three business-critical traffic classes to handle transactional, network management, and routing packets.FThe SDM QoS wizard will create four business-critical traffic classes to handle transactional, network management, routing, and best-effort packets.

考题 多选题Which three are characteristics of voice traffic in the Company VOIP campus network?()ATCP retransmitsBUDP priorityCBurstyDDelay sensitiveEGreedyFDrop sensitive

考题 多选题You need to configure a new Company Catalyst 3560 switch for a VOIP-enabled office.  Which  three statements are true about the voice VLAN feature on this switch?()AThe default CoS value for incoming traffic is set up to 0.BThe CoS value is trusted for 802.1p or 802.1q tagged traffic.CPortFast is automatically disabled when a voice VLAN is configured.DThe voice VLAN feature is disabled by default.EThe IP phone accepts the priority of all tagged and untagged traffic and sets the CoS value to 4.FWhen the voice VLAN feature is enabled, all untagged traffic is sent according to the default  CoS priority of the port

考题 多选题Which two statements are true about network voice traffic? (Choose two.)()AVoice traffic is affected more by link speed than FTP traffic is.BVoice traffic is affected more by packet delays than FTP traffic is.CVoice streams involve larger packet sizes than most TCP network traffic involves.DVoice traffic is more sensitive to packet loss than TCP network traffic is.EVoice traffic requires QOS mechanisms only in heavily loaded network segments.

考题 单选题Which statement is true about the comparison of voice traffic with video traffic?()A  Video conferencing traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flows.B  Latency requirements are less stringent for video traffic than for voice traffic.C  Video traffic is less sensitive to dropped packets than for voice traffic.D  Video traffic requires the retransmission capabilities of TCP whereas voice uses UDP.E  Voice traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flows.F  Voice traffic requires the retransmission capabilities of TCP whereas video uses UDP.

考题 单选题Refer to the exhibit. Which statement is true about a voice VLAN?()A Physically the voice network and the data network are separateB The voice traffic will normally be on a different IP subnet than will the data trafficC End user intervention is necessary to place the phone into the proper VLAND The same security policy should be implemented for both voice and data trafficE The data VLAN must be configured as the native VLAN

考题 多选题Which three statements about NetFlow are true?()ANetFlow records unidirectional IP traffic flow.BNetFlow records MPLS frame flow.CNetFlow expert is only over TCP.DNetFlow records is only over UDP.ENetFlow records subinterface information of traffic flow.

考题 单选题Which statement is true about voice VLANs? ()A When the voice VLAN feature is enabled, all untagged voice and data traffic is sent through the voice VLAN.B The voice VLAN feature is enabled by default.C The IP phone overrides the priority of all incoming data traffic (tagged and untagged) and sets the CoS value to 0.D The default CoS value is 1 for incoming voice and data traffic.